Sunday, May 23, 2010

Has anyone had a doctor prescribe Erythromycin oral liquid to your child? I filled a prescription today for my

little 2 month girl and the pharmacist said he had to divide the amount for some reason, and now I am fearing the dosage might be wrong. He calculated it to be at .78 per dosage every 6 hours is this the right dosage? the pharmacy is now closed, it was a local one at the Medical building.
Answer:
The amount prescribed is appropriate for your daughter's age, weight and infection. The dosage is 30-50mg/kg/day in divided doses. The upper limit for your daughter would be 68.75mg 4 times a day. The dose prescribed is 62.4mg 4 times a day, which is within normal limits. This medication is available in drops, but using the 400mg/5ml suspension is OK and allows a smaller volume of fluid for your daughter to swallow. To lessen your fears, erythromycin is a very forgiving drug when it comes to dosing. The most common side effects are stomach/GI-related, such as vomiting or diarrhea. Call your doctor if this occurs.I hope your baby gets well soon.Rick the PharmacistRick the Pharmacist
More than likely the doctor calculated the wrong dosage, and the pharmacist had to fix it. That is a fairly common event. The pediatric dose is about 7.5-12.5mg per kilogram every 6 hours. The dosage looks fine.

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